Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '2a0d:d600:9000::'
+110
ERRNo PTR record availible DNS server 'rirns.arin.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.9.0.0.6.d.d.0.a.2.ip6.arpa'.